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2768-02-7 Usage


Vinyltrimethoxysilane, is used as a polymer modifier via grafting reactions. The resulting pendant trimethoxysilyl groups can function as moisture-activated crosslinking sites. The Silane grafted polymer is processed as a thermoplastic and crosslinking occurs after fabrication of the finished article upon exposure to moisture. Vinyltrimethoxysilane is mainly applied in these aspects: In the preparation of moisture-curing polymers, e.g. polyethylene. Silane crosslinked polyethylene is widely used as cable isolation, and sheathing mainly in low voltage applications as well as for hot water/sanitary pipes and underfloor heating. As a co-monomer for the preparation of different polymers such as polyethylene or acrylics. Those polymers show an improved adhesion to inorganic surfaces and they can also be crosslinked with moisture. As an efficient adhesion promoter for various mineral-filled polymers, improving mechanical and electrical properties especially after exposure to moisture. Improving the compatibility of fillers with polymers, leading to a better dispersibility, reduced melt viscosity and easier processing of filled plastics. Pre-treating of glass, metals, or ceramic surfaces, improve the adhesion of coatings on these surfaces and corrosion resistance. As moisture scavenger, it reacts rapidly with water. This effect is used widely in sealants.

Chemical Properties

Colorless transparent liquid


VTMS may be used to provide superhydrophobicity to different materials like TiO2, talc, kaolin, magnesium oxide nanoparticles, ammonium phosphate and PEDOT. It modifies the surface by capping the material and creates a protective layer that is water resistant and can be used in major coating industries.

General Description

Vinyltrimethoxysilane (VTMS) is a silane coupling agent with silicon and hydroxyl groups that can be used to enhance the wettability and improve the superhydrophobic characteristics of different composites.

Flammability and Explosibility


Check Digit Verification of cas no

The CAS Registry Mumber 2768-02-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,6 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2768-02:
97 % 10 = 7
So 2768-02-7 is a valid CAS Registry Number.

2768-02-7 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • TCI America

  • (V0042)  Vinyltrimethoxysilane  >98.0%(GC)

  • 2768-02-7

  • 25mL

  • 155.00CNY

  • Detail
  • TCI America

  • (V0042)  Vinyltrimethoxysilane  >98.0%(GC)

  • 2768-02-7

  • 100mL

  • 450.00CNY

  • Detail
  • TCI America

  • (V0042)  Vinyltrimethoxysilane  >98.0%(GC)

  • 2768-02-7

  • 500mL

  • 970.00CNY

  • Detail
  • Alfa Aesar

  • (B21176)  Vinyltrimethoxysilane, 98%   

  • 2768-02-7

  • 100g

  • 367.0CNY

  • Detail
  • Alfa Aesar

  • (B21176)  Vinyltrimethoxysilane, 98%   

  • 2768-02-7

  • 500g

  • 1043.0CNY

  • Detail
  • Aldrich

  • (235768)  Vinyltrimethoxysilane  98%

  • 2768-02-7

  • 235768-100ML

  • 705.51CNY

  • Detail
  • Aldrich

  • (235768)  Vinyltrimethoxysilane  98%

  • 2768-02-7

  • 235768-500ML

  • 1,797.12CNY

  • Detail
  • Aldrich

  • (440221)  Vinyltrimethoxysilane  97%

  • 2768-02-7

  • 440221-100ML

  • 738.27CNY

  • Detail
  • Aldrich

  • (440221)  Vinyltrimethoxysilane  97%

  • 2768-02-7

  • 440221-1L

  • 3,763.89CNY

  • Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017


1.1 GHS Product identifier

Product name Vinyltrimethoxysilane

1.2 Other means of identification

Product number -
Other names vts-m

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Adhesives and sealant chemicals,CBI,Intermediates,Paint additives and coating additives not described by other categories,Processing aids, specific to petroleum production
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2768-02-7 SDS

2768-02-7Related news

Creation of coating surfaces possessing superhydrophobic and superoleophobic characteristics with fluoroalkyl end-capped vinyltrimethoxysilane (cas 2768-02-7) oligomeric nanocomposites having biphenylene segments07/18/2019

Fluoroalkyl end-capped vinyltrimethoxysilane oligomeric nanocomposites having biphenylene units [RF-(VM-SiO2)n-RF/Ar-SiO2] were prepared by the sol–gel reaction of the corresponding oligomer [RF-(VM)n-RF] with 4,4′-bis(triethoxysilyl)-1,1′-biphenyl [Ar-Si(OEt)3] under alkaline conditions. RF-...detailed

Evaluation of the influence of experimental parameters in the formation of a vinyltrimethoxysilane (cas 2768-02-7) film on 1010 carbon steel through electrochemical impedance spectroscopy and contact angle techniques07/17/2019

The influence of experimental parameters on the formation of vinyltrimethoxysilane (VTMOS) film to protect 1010 carbon steel against corrosion by electrochemical impedance spectroscopy (EIS) and contact angle measurements was evaluated. Specimens were developed from three 23 factorial designs an...detailed

Modification of silicalite-1 by vinyltrimethoxysilane (cas 2768-02-7) (VTMS) and preparation of silicalite-1 filled polydimethylsiloxane (PDMS) hybrid pervaporation membranes07/16/2019

In preparation of inorganic particles filled polymer membranes, coupling agents can help to improve the compatibility between inorganic filler and polymer matrix. In this paper, surface modification of silicalite-1 was performed by a coupling agent, vinyltrimethoxysilane (VTMS), and hybrid perva...detailed

Selective modification of kaolinite with vinyltrimethoxysilane (cas 2768-02-7) for stabilization of Pickering emulsions07/11/2019

Amphiphilically modified kaolinite was produced by the modification of the octahedral surface of kaolinite with vinyltrimethoxysilane for use in the stabilization of Pickering emulsions. The covalent grafting of the hydrolysate of vinyltrimethoxysilane on the kaolinite octahedral surface resulte...detailed

2768-02-7Relevant articles and documents

Anti-Markovnikov addition of 2-mercaptobenzoxazole and 2-mercaptobenzothiazole to trimethoxy(vinyl)silane under solvent- and catalyst-free conditions

Bolgova, Yu. I.,Emel'yanov, A. I.,Grebneva, E. A.,Pavlov, D. V.,Pozdnyakov, A. S.,Trofimova, O. M.,Vakul'skaya, T. I.

, (2020)

The addition of 2-mercaptobenzoxazole or 2-mercaptobenzothiazole to trimethoxy(vinyl)silane was studied. The thiol-ene reaction leads to previously unknown carbofunctional (trimethoxysilyl)ethyl derivatives of 2-mercaptobenzazoles C6H4N(Y)CS(CH2)2Si(OMe)3 (Y = O, S) with anti-Markovnikov orientation. The proposed mechanism is confirmed by EPR spectroscopy and quantum chemical calculations.



Paragraph 0070, (2014/02/15)

The present invention relates to a cosmetic treatment method comprising the formation of a coating on keratin fibres characterized in that it comprises: 1) the preparation of an aerogel precursor composition comprising:—at least one organic solvent chosen from acetone, C1-C4 alcohols, C1-C6 alkanes, C1-C4 ethers, which may or may not be perfluorinated, and mixtures thereof and at least one precursor compound that contains:—at least one atom chosen from silicon, titanium, aluminium and zirconium,—at least one hydroxyl or alkoxy function directly attached to the atom chosen from silicon, titanium, aluminium and zirconium by an oxygen atom, and,—optionally an organic group directly attached to the atom chosen from silicon, titanium, aluminium and zirconium by a carbon atom, 2) the removal of the solvent or solvents resulting in the formation of an aerogel composition having a bulk density less than or equal to 0.35 g/cm3, 3) the application to the keratin fibres of the aerogel composition resulting from step 2) or of the aerogel precursor composition resulting from step 1). Advantageously, the molar ratio between the precursor compounds and the solvent is at most 1/20.



Page/Page column 17; 20, (2012/07/14)

The present invention provides a safe, inexpensive, and high yield means of producing a hydrolyzable silicon-containing compound, e.g., an organooxysilane and the like. A compound (A) represented by the general formula R1-O-R2 wherein R1 represents a C4-30, substituted or unsubstituted, tertiary alkyl group or aralkyl group and R2 represents a C1-30, substituted or unsubstituted, monovalent hydrocarbyl group or acyl group, is reacted in the presence of a Lewis acid catalyst with a halosilane (B) represented by the general formula R3mSiX4-m wherein R3 represents the hydrogen atom or a C1-30 substituted or unsubstituted monovalent hydrocarbyl group, X is independently bromine or chlorine, and m represents an integer from 0 to 3.

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